1. The set of all possible outcomes of an experiment is called
A. Random Experiment
B. Trial
C. Event
D. Sample space
2. A set of activities performed in a homogenous condition repetitively constitutes a
A. Trial
B. Random Experiment
C. Event
D. None of them
3. For example, toss of a coin is a trial, and the occurrence of either head or a tail is
A. Trial
B. Event
C. Sample Space
D. None of them
4. It is the set of all possible events that can result from an experiment.
A. Collectively Exhaustive Events
B. Mutually Exclusive Events
C. Equally Likely Events
D. None of them
5. Sum total of probability value of each of these events will always be one.
A. One
B. Zero
C. Infinity
D. None of these
6. When all the possible outcomes of an experiment have an equal probability of occurance, such events are called
A. Collectively Exhaustive Events
B. Equally Likely Events
C. Mutually Exclusive Events
D. None of them
7. Two events are said to be mutually exclusive events if the occurrence of one event implies no possibility of occurrence of the other event
A. Mutually Exclusive Events
B. Collectively Exhaustive Events
C. Equally Likely Events
D. None of these
8. A single toss of a coin, where both the possible outcomes and events of either head or tail coming on top are
A. Collectively Exhaustive Events
B. Mutually Exclusive Events
C. Equally Likely Events
D. All of the above
9. The probability of event equal to zero is called
A. Unsure event
B. Sure Event
C. Impossible event
D. Independent event
10. The probability that cannot exist among the following
A. ⅔
B. -1.5
C. 25%
D. 0.7
11. The value of probability of any event lies between
A. 0 and 1
B. 1 and 2
C. -1 and 1
D. 10 and 20
12. If P (E) = 0.07, then what is the probability of ‘not E’?
A. 0.93
B. 0.95
C. 0.89
D. 0.30
13. Which of the following are the approaches to Probability?
A. Classical Approach
B. Relative Frequency of Occurrence
C. Subjective Probability
D. All of the above
14. The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain tomorrow
A. 0.25
B. 0.15
C. 0.145
D. 0.05
15. This approach to defining probability is based on the premise that all possible outcomes or elementary events of experiment are mutually exclusive and equally likely
A. Classical Approach
B. Relative Frequency of Occurrence
C. Subjective Probability
D. None of the above
16. The probability of drawing an ace card from a deck of cards is:
A. 1/52
B. 1/26
C. 4/13
D. 1/13
17. A bag has 3 red balls and 5 green balls. If we take a ball from the bag, then what is the probability of getting red balls only?
A. 3
B. 5/8
C. 3/8
D. 8/3
18. When we toss a fair coin, the probability of getting a head would be
A. 3/6
B. 3
C. 0.6
D. 6/3
19. This method is utilized by taking relative frequencies of past occurrences as their probabilities.
A. Classical Approach
B. Relative Frequency of Occurrence
C. Subjective Probability
D. None of the above
20. According to this approach probability is based on the experience and the Judgement of the person making this estimate
A. Subjective Probability
B. Relative Frequency of Occurrence
C. Classical Approach
D. None of the above